Added support for twig-like, empty bundle names in image-names. Twig supports "::$name"-syntax and resolves this to application root-directory.
Added support for twig-like, empty bundle names in image-names. Twig supports "::$name"-syntax and resolves this to application root-directory.

psliwa/PdfBundle,verschoof/PdfBundle,psliwa/PdfBundle,verschoof/PdfBundle